From 98df33e0a52e086b68df2a62ce2f41cc6b67db63 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Thu, 2 Mar 2023 18:18:38 +0000
Subject: Parse colour values as they're read

---
 assetFactory/style.h | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

(limited to 'assetFactory/style.h')

diff --git a/assetFactory/style.h b/assetFactory/style.h
index 0c7ad5a..e8fd012 100644
--- a/assetFactory/style.h
+++ b/assetFactory/style.h
@@ -3,19 +3,31 @@
 #include "modelFactoryMesh.h"
 #include "persistence.h"
 #include "shape.h"
+#include <optional>
 #include <string>
+#include <utility>
 
 class Style {
 public:
 	using StyleStack = std::vector<const Style *>;
+	using Colour = glm::vec3;
+	using ColourAlpha = glm::vec4;
 
-	static ModelFactoryMesh::Color parseColour(const std::string_view &);
 	void applyStyle(ModelFactoryMesh &, const StyleStack & parents, const Shape::CreatedFaces &) const;
 	void applyStyle(ModelFactoryMesh &, const StyleStack & parents, const ModelFactoryMesh::FaceHandle &) const;
 
-	static std::string_view getProperty(const StyleStack & parents, std::string Style::*member);
+	template<typename T>
+	static std::optional<std::reference_wrapper<const T>>
+	getProperty(const StyleStack & parents, T Style::*member, auto && test)
+	{
+		if (const auto itr = std::find_if(parents.rbegin(), parents.rend(), std::forward<decltype(test)>(test));
+				itr != parents.rend()) {
+			return (*itr)->*member;
+		}
+		return {};
+	}
 
-	std::string colour;
+	ColourAlpha colour {};
 
 protected:
 	bool persist(Persistence::PersistenceStore & store);
-- 
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